The hyena 's public image is not aided by its ridiculous appearance.
鬣狗滑稽的外表无助于改善它在公众心中的形象。
They say a giggle's pitch and timbre establish a hyena 's identity, and that pitch indicates age.
他们发现笑声的音调和音色可以显示出一个鬣狗的身份，音调代表了它们的年龄，而且从笑声里可以分辨出谁是老大。
Then a hideous sound, like a hyena 's psychotic LAUGH.
然后传来一阵令人惊骇的叫声，就像鬣狗发疯似的笑声一般。
They say a giggle's pitch and timbre establish a hyena 's identity, and that pitch indicates age.
研究人员称，“笑声”的音高和音质决定了该鬣狗的身份，从音高还能判断出鬣狗的年龄。
They say a giggle's pitch and timbre establish a hyena 's identity, and that pitch indicates age.
研究人员称，“笑声”的音高和音质决定了该鬣狗的身份，从音高还能判断出鬣狗的年龄。
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